The line L L\,L passes through the points A(5,−6)A(5, -6)A(5,−6) and B(9,k)B(9, k)B(9,k).
The gradient of L L\,L is -4.
Work out the value of kkk.
Practise OCR GCSE Maths Gradient of a Line with exam-style questions for Foundation and Higher tier. 72 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.